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| Criterion |  Operations Accountability Ladder |  DevOps Incident Timeline Analysis |  Facilitation Expectation Mapping |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | With defensive reactions to problems, the method shifts the view from justification to ownership. It makes visible which reaction stage a person or team is currently stuck on. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 20-45 min | 60-180 min | 45-90 min | 30-90 min |
Participantsdifferent | 1-8 | 3-10 | 3-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Ownership Reflection, Action Commitment, Coaching Notes | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Expectation Map, Alignment Notes, Agreements | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | ResponsibilityLeadershipTeam | IncidentTimelineSite Reliability Engineering | AlignmentStakeholdersTeam | Site Reliability EngineeringIncidentLearningReliability |